The Royal Chapel of All Saints or Queen Victoria's Chapel is a Grade II listed church in the grounds of the Royal Lodge in Windsor Great Park, Berkshire, England and is a Royal Peculiar, serving as an informal parish church for the inhabitants and staff of the Windsor Great Park. Services at the chapel are often attended by members of the British royal family, and Queen Elizabeth II regularly worshipped at the church for reasons of privacy. The chaplaincy of the Royal Chapel All Saints is held by one of the Canons of the College of St George at St George's Chapel, Windsor Castle.

Royal Lodge is a Grade II listed house in Windsor Great Park in Berkshire, England, half a mile north of Cumberland Lodge and 3.2 miles (5.1 km) south of Windsor Castle. The site of homes since the 17th century, the present structure dates from the 19th century, and was expanded in the 1930s for the then duke of York, the future king George VI. Its central section is 3 storeys, with wings two storeys and it has about 30 rooms, with 7 bedrooms. The Royal Chapel of All Saints was built on the grounds in the 1820s.